[python-fastapi] Set python version to 3.10 (#22823)

* set python version to 3.10

* update doc

Author: wing328

docs/generators/python-fastapi.md

@@ -10,7 +10,7 @@ title: Documentation for the python-fastapi Generator
 | generator stability | BETA | |
 | generator type | SERVER | |
 | generator language | Python | |
-| generator language version | 3.7 | |
+| generator language version | 3.10 | |
 | generator default templating engine | mustache | |
 | helpTxt | Generates a Python FastAPI server (beta). Models are defined with the pydantic library | |
 

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/PythonFastAPIServerCodegen.java

@@ -330,7 +330,7 @@ public void postProcess() {
 
     @Override
     public String generatorLanguageVersion() {
-        return "3.7";
+        return "3.10";
     }
 
     @Override

samples/server/petstore/python-fastapi/Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.7 AS builder
+FROM python:3.10 AS builder
 
 WORKDIR /usr/src/app
 
@@ -11,7 +11,7 @@ COPY . .
 RUN pip install --no-cache-dir .
 
 
-FROM python:3.7 AS test_runner
+FROM python:3.10 AS test_runner
 WORKDIR /tmp
 COPY --from=builder /venv /venv
 COPY --from=builder /usr/src/app/tests tests
@@ -24,7 +24,7 @@ RUN pip install pytest
 RUN pytest tests
 
 
-FROM python:3.7 AS service
+FROM python:3.10 AS service
 WORKDIR /root/app/site-packages
 COPY --from=test_runner /venv /venv
 ENV PATH=/venv/bin:$PATH

samples/server/petstore/python-fastapi/README.md

@@ -8,7 +8,7 @@ This Python package is automatically generated by the [OpenAPI Generator](https:
 
 ## Requirements.
 
-Python >= 3.7
+Python >= 3.10
 
 ## Installation & Usage
 

samples/server/petstore/python-fastapi/setup.cfg

@@ -4,11 +4,11 @@ version = 1.0.0
 description = This is a sample server Petstore server. For this sample, you can use the api key `special-key` to test the authorization filters.
 long_description = file: README.md
 keywords = OpenAPI OpenAPI Petstore
-python_requires = >= 3.7.*
+python_requires = >= 3.10.*
 classifiers =
     Operating System :: OS Independent
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.10
 
 [options]
 install_requires = fastapi[all]